Add the compatible bindings for the three variants of Agilex
PCIe Hard IP.

Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
---
v8:
 - Removed patches unrelated to Agilex PCIe root port support from set.
 - Removed patches related to a specific FPGA configuration from set.
---
 .../devicetree/bindings/pci/altr,pcie-root-port.yaml   | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml b/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml
index 52533fccc134..1f93120d8eef 100644
--- a/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml
+++ b/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml
@@ -12,9 +12,19 @@ maintainers:
 
 properties:
   compatible:
+    description: Each family of socfpga has its own implementation
+      of the pci controller. altr,pcie-root-port-1.0 is used for the Cyclone5
+      family of chips. The Stratix10 family of chips is supported
+      by altr,pcie-root-port-2.0. The Agilex family of chips has
+      three, non-register compatible, variants of PCIe Hard IP referred to as
+      the f-tile, p-tile, and r-tile, depending on the specific chip instance.
+
     enum:
       - altr,pcie-root-port-1.0
       - altr,pcie-root-port-2.0
+      - altr,pcie-root-port-3.0-f-tile
+      - altr,pcie-root-port-3.0-p-tile
+      - altr,pcie-root-port-3.0-r-tile
 
   reg:
     items:
-- 
2.34.1

On Fri, Feb 21, 2025 at 11:04:51AM -0600, Matthew Gerlach wrote:
> Add the compatible bindings for the three variants of Agilex
> PCIe Hard IP.
> 
> Signed-off-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>

Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

- Mani

> Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
> ---
> v8:
>  - Removed patches unrelated to Agilex PCIe root port support from set.
>  - Removed patches related to a specific FPGA configuration from set.
> ---
>  .../devicetree/bindings/pci/altr,pcie-root-port.yaml   | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml b/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml
> index 52533fccc134..1f93120d8eef 100644
> --- a/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml
> +++ b/Documentation/devicetree/bindings/pci/altr,pcie-root-port.yaml
> @@ -12,9 +12,19 @@ maintainers:
>  
>  properties:
>    compatible:
> +    description: Each family of socfpga has its own implementation
> +      of the pci controller. altr,pcie-root-port-1.0 is used for the Cyclone5
> +      family of chips. The Stratix10 family of chips is supported
> +      by altr,pcie-root-port-2.0. The Agilex family of chips has
> +      three, non-register compatible, variants of PCIe Hard IP referred to as
> +      the f-tile, p-tile, and r-tile, depending on the specific chip instance.
> +
>      enum:
>        - altr,pcie-root-port-1.0
>        - altr,pcie-root-port-2.0
> +      - altr,pcie-root-port-3.0-f-tile
> +      - altr,pcie-root-port-3.0-p-tile
> +      - altr,pcie-root-port-3.0-r-tile
>  
>    reg:
>      items:
> -- 
> 2.34.1
> 

-- 
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